Lexic.us

Definition of Polonium

1. Noun. A radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor.

Definition of Polonium

1. n. A supposed new element, a radioactive substance discovered by M. and MMe. Curie in pitchblende. It is closely related chemically to bismuth. It emits only alpha rays and is perhaps identical with radium F.

Definition of Polonium

1. Noun. a chemical element (''symbol'' Po) with atomic number 84. ¹

¹ Source: wiktionary.com

Definition of Polonium

1. a radioactive element [n -S]

Medical Definition of Polonium

1. Polonium. A radioactive element that is a member of the chalcogen family. It has the atomic symbol po, atomic number 84, and the atomic weight of the isotope with the longest half-life (209po) is 208.98. It decays by alpha-emission. Chemical name: Polonium (12 Dec 1998)

Lexicographical Neighbors of Polonium

Literary usage of Polonium

Below you will find example usage of this term as found in modern and/or classical literature:

1. Recent Advances in Physical and Inorganic Chemistry by Alfred Walter Stewart (1912)
"polonium A glance at the table on p. 207 will recall the fact that at one point in the preparation of radium we get a solution which, on treatment with ..."

2. Radioactive substances and their radiations by Ernest Rutherford (1913)
"The amount of polonium to be obtained from a uranium mineral can be simply calculated. The amount of polonium to be obtained from one gram of radium when ..."

3. The Chemical News and Journal of Industrial Science (1908)
"I. Preparation of polonium. Radium mother-liquors (resulting from the crystallisation of barium radium bromide) contain other active impurities besides the ..."

4. Recent Advances in Physical and Inorganic Chemistry by Alfred Walter Stewart (1909)
"polonium A glance at the table on p. 209 will recall the fact that at one point in the preparation of radium we get a solution which, ..."

5. The Chemistry of the Radio-elements by Frederick Soddy (1914)
"In turn, of course, it decays completely with the period of radium F. polonium. (Radium F) Estimated atomic weight—210. Period of average life—196 days. ..."

6. The Chemistry of the Radio-elements by Frederick Soddy (1911)
"Or, it may be obtained from old preparations of radio-lead or radium. The quantity of polonium in radio-lead increases to a maximum, which is reached ..."

7. The Americana: A Universal Reference Library, Comprising the Arts and ...edited by Frederick Converse Beach, George Edwin Rines edited by Frederick Converse Beach, George Edwin Rines (1912)
"polonium, an element the existence of which in 1904 was still a question of great ... Curie named it polonium in memory of her native land, Poland. ..."

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